122 lines
4.6 KiB
JavaScript
122 lines
4.6 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
var time_1 = require("../util/time");
|
|
function getYear(date) {
|
|
return new Date(date).getFullYear();
|
|
}
|
|
function createYear(year) {
|
|
return new Date(year, 0, 1).getTime();
|
|
}
|
|
function getMonth(date) {
|
|
return new Date(date).getMonth();
|
|
}
|
|
function diffMonth(min, max) {
|
|
var minYear = getYear(min);
|
|
var maxYear = getYear(max);
|
|
var minMonth = getMonth(min);
|
|
var maxMonth = getMonth(max);
|
|
return (maxYear - minYear) * 12 + ((maxMonth - minMonth) % 12);
|
|
}
|
|
function creatMonth(year, month) {
|
|
return new Date(year, month, 1).getTime();
|
|
}
|
|
function diffDay(min, max) {
|
|
return Math.ceil((max - min) / time_1.DAY);
|
|
}
|
|
function diffHour(min, max) {
|
|
return Math.ceil((max - min) / time_1.HOUR);
|
|
}
|
|
function diffMinus(min, max) {
|
|
return Math.ceil((max - min) / (60 * 1000));
|
|
}
|
|
/**
|
|
* 计算 time 的 ticks，对 month, year 进行 pretty 处理
|
|
* @param cfg 度量的配置项
|
|
* @returns 计算后的 ticks
|
|
*/
|
|
function timePretty(cfg) {
|
|
var min = cfg.min, max = cfg.max, minTickInterval = cfg.minTickInterval, tickCount = cfg.tickCount;
|
|
var tickInterval = cfg.tickInterval;
|
|
var ticks = [];
|
|
// 指定 tickInterval 后 tickCount 不生效，需要重新计算
|
|
if (!tickInterval) {
|
|
tickInterval = (max - min) / tickCount;
|
|
// 如果设置了最小间距，则使用最小间距
|
|
if (minTickInterval && tickInterval < minTickInterval) {
|
|
tickInterval = minTickInterval;
|
|
}
|
|
}
|
|
tickInterval = Math.max(Math.floor((max - min) / (Math.pow(2, 12) - 1)), tickInterval);
|
|
var minYear = getYear(min);
|
|
// 如果间距大于 1 年，则将开始日期从整年开始
|
|
if (tickInterval > time_1.YEAR) {
|
|
var maxYear = getYear(max);
|
|
var yearInterval = Math.ceil(tickInterval / time_1.YEAR);
|
|
for (var i = minYear; i <= maxYear + yearInterval; i = i + yearInterval) {
|
|
ticks.push(createYear(i));
|
|
}
|
|
}
|
|
else if (tickInterval > time_1.MONTH) {
|
|
// 大于月时
|
|
var monthInterval = Math.ceil(tickInterval / time_1.MONTH);
|
|
var mmMoth = getMonth(min);
|
|
var dMonths = diffMonth(min, max);
|
|
for (var i = 0; i <= dMonths + monthInterval; i = i + monthInterval) {
|
|
ticks.push(creatMonth(minYear, i + mmMoth));
|
|
}
|
|
}
|
|
else if (tickInterval > time_1.DAY) {
|
|
// 大于天
|
|
var date = new Date(min);
|
|
var year = date.getFullYear();
|
|
var month = date.getMonth();
|
|
var mday = date.getDate();
|
|
var day = Math.ceil(tickInterval / time_1.DAY);
|
|
var ddays = diffDay(min, max);
|
|
for (var i = 0; i < ddays + day; i = i + day) {
|
|
ticks.push(new Date(year, month, mday + i).getTime());
|
|
}
|
|
}
|
|
else if (tickInterval > time_1.HOUR) {
|
|
// 大于小时
|
|
var date = new Date(min);
|
|
var year = date.getFullYear();
|
|
var month = date.getMonth();
|
|
var day = date.getDate();
|
|
var hour = date.getHours();
|
|
var hours = Math.ceil(tickInterval / time_1.HOUR);
|
|
var dHours = diffHour(min, max);
|
|
for (var i = 0; i <= dHours + hours; i = i + hours) {
|
|
ticks.push(new Date(year, month, day, hour + i).getTime());
|
|
}
|
|
}
|
|
else if (tickInterval > time_1.MINUTE) {
|
|
// 大于分钟
|
|
var dMinus = diffMinus(min, max);
|
|
var minutes = Math.ceil(tickInterval / time_1.MINUTE);
|
|
for (var i = 0; i <= dMinus + minutes; i = i + minutes) {
|
|
ticks.push(min + i * time_1.MINUTE);
|
|
}
|
|
}
|
|
else {
|
|
// 小于分钟
|
|
var interval = tickInterval;
|
|
if (interval < time_1.SECOND) {
|
|
interval = time_1.SECOND;
|
|
}
|
|
var minSecond = Math.floor(min / time_1.SECOND) * time_1.SECOND;
|
|
var dSeconds = Math.ceil((max - min) / time_1.SECOND);
|
|
var seconds = Math.ceil(interval / time_1.SECOND);
|
|
for (var i = 0; i < dSeconds + seconds; i = i + seconds) {
|
|
ticks.push(minSecond + i * time_1.SECOND);
|
|
}
|
|
}
|
|
// 最好是能从算法能解决这个问题，但是如果指定了 tickInterval，计算 ticks，也只能这么算，所以
|
|
// 打印警告提示
|
|
if (ticks.length >= 512) {
|
|
console.warn("Notice: current ticks length(" + ticks.length + ") >= 512, may cause performance issues, even out of memory. Because of the configure \"tickInterval\"(in milliseconds, current is " + tickInterval + ") is too small, increase the value to solve the problem!");
|
|
}
|
|
return ticks;
|
|
}
|
|
exports.default = timePretty;
|
|
//# sourceMappingURL=time-pretty.js.map
|